*{
  box-sizing: border-box;
}
body{
  font-family: sans-serif;
  background-color: #666;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  max-height: 100vh;
  margin: 0;
}
h1{
  color: #fff;
}
.screen{
  cursor: pointer;
  width: 40%;
  background-color: #000 !important;
  border-top-left-radius: 10px;
  border-top-right-radius: 10px;
}
.controls{
  background: #333;
  color: #fff;
  width: 40%;
  border-top-left-radius: 10px;
  border-top-right-radius: 10px;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 10px;

}
.controls .btn{
  border: 0;
  background: transparent;
  cursor: pointer;
}
.controls .fa-play{
  color: #28a745;
}
.controls .fa-stop{
  color: #dc3545;
}
.controls .fa-pause{
  color: #fff;
}
.controls .timestamp{
  color: #fff;
  font-weight: bold;
  margin-left: 10px;
}
.btn:focus{
  outline: 0;
}
@media (max-width: 800px) {
  .screen,.controls{
    width: 80%;
  }
}